In this Small Book with a really big Heart we will review different payment protocols and security methods that are being used to run banking systems. We will survey some of the popular systems that are being used today, with a deeper focus on the Chips, cards, NFC, authentication etc. In addition, we will also discuss the weaknesses in the systems that can compromise the customer's trust. You will read about: Banking Security Architecture Synthetic PIN For Authentication and Authorization Security Vulnerabilities of Chip and PIN Chip and Skim Cloning EMV Cards with Pre Replay Attack, Chip Secrets ATM Jackpotting attacks Credit Card Duplication and Crime Chip & PIN Broken Cryptosystems Fails In ATM Protecting E-Commerce Bank and Credit Card Systems, The future of financial attacks, Unresolved Vulnerabilities